2018 5th-8th places
Semi-finals
| 1 | Wales U20 | Argentina U20 | 15 : 39 |
| 2 | Italy U20 | Australia U20 | 15 : 44 |
5th place
| 1 | Argentina U20 | Australia U20 | 15 : 41 |
7th place
| 2 | Wales U20 | Italy U20 | 34 : 17 |
2018 9th-12th places
Semi-finals
| 1 | Ireland U20 | Scotland U20 | 29 : 45 |
| 2 | Georgia U20 | Japan U20 | 24 : 22 |
9th place
| 1 | Scotland U20 | Georgia U20 | 31 : 39 |
11th place
| 2 | Ireland U20 | Japan U20 | 39 : 33 |
2018 Main
Group A
| Pl | W | D | L | Pts | |||
| 1 | New Zealand U20 | 3 | 3 | 0 | 0 | 136:28 | 14 |
| 2 | Wales U20 | 3 | 2 | 0 | 1 | 54:80 | 8 |
| 3 | Australia U20 | 3 | 1 | 0 | 2 | 93:72 | 6 |
| 4 | Japan U20 | 3 | 0 | 0 | 3 | 36:139 | 1 |
Group B
| Pl | W | D | L | Pts | |||
| 1 | England U20 | 3 | 3 | 0 | 0 | 117:33 | 15 |
| 2 | Italy U20 | 3 | 2 | 0 | 1 | 62:95 | 10 |
| 3 | Argentina U20 | 3 | 1 | 0 | 2 | 73:82 | 6 |
| 4 | Scotland U20 | 3 | 0 | 0 | 3 | 49:91 | 1 |
Group C
| Pl | W | D | L | Pts | |||
| 1 | France U20 | 3 | 3 | 0 | 0 | 96:65 | 14 |
| 2 | South Africa U20 | 3 | 2 | 0 | 1 | 92:90 | 11 |
| 3 | Georgia U20 | 3 | 1 | 0 | 2 | 63:77 | 5 |
| 4 | Ireland U20 | 3 | 0 | 0 | 3 | 61:80 | 2 |
Promotion ~ World Championship U20 (Play Offs: )
Promotion ~ World Championship U20 (5th~8th places: )
World Championship U20 (9th~12th places: )
2018 Play Offs
Semi-finals
| 1 | England U20 | South Africa U20 | 32 : 31 |
| 2 | New Zealand U20 | France U20 | 7 : 16 |
Final
| 1 | England U20 | France U20 | 25 : 33 |
3rd place
| 2 | South Africa U20 | New Zealand U20 | 40 : 30 |
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